Option to rotate 128x64 display 90°

[tizzulo]

Curious if this can be implemented without too much trouble or space in the code. I'll see if I can play with the code and get it working. I have multiple devices which mount the floppy drive sideways, and the 128x64 seems it has the potential to have a nice rotated display for these vertically mounted devices.

[keirf]

It would be a very narrow display in that case? The font is 6x13 so it naturally gives plenty of line width at 128x64 aspect.